21931189 is an odd 8-digits composite number following 21931188
and preceding 21931190 . In scientific notation, it is written as 2.1931189 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 18798156 positive integers (up to 21931189) that are relatively prime to 21931189.
21931189 has 4 divisors, whose sum is 25064224
The reverse of 21931189 is 98113912
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million nine hundred thirty-one thousand one hundred eighty-nine
Scientific notation
2.1931189 × 10^7
Engineering notation
2.1931189 × 10^6
Prime Factorization
7 × 3133027
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21931189
Product of the distinct prime numbers
The prime factorization of 21931189 is 7 × 3133027.
Since it has a total of 2 prime factors.
10 , 1 , 20 , 21 , 248 , 370 , 9431 , 9150 , 45751 , 37269 , 413467 , 906188 , 1108433 , 8207009 , 38424319 , 74826545 , 777296132 , 980777816 , 1400359426 , 7414015324
n×2
43862378
n×3
65793567
n×4
87724756
n×5
109655945
n÷2
10965594.5
n÷3
7310396.3333333
n÷3
5482797.25
n÷5
4386237.8
n2
480977050953721
n3
1.0548398609129E+22
n4
2.3133892354414E+29
n5
5.073537655303E+36
2 √n
4683.0747378192
3 √n
279.91148988137
4 √n
68.43299451156
5 √n
29.390869573245
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931188
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931189 can be divided by 4 positive divisors.
The sum of these divisors (counting 21931189) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011101010010010110101
3
Ternary
1112021012221021
4
Quaternary
1103222102311
5
Quinary
21103244224
6
Senary
2102021141
8
Octal
123522265
10
Decimal
21931189
12
Duodecimal
74177b1
16
Hexadecimal
14ea4b5
20
Vigesimal
6h17j9
36
Base36
d227p
md5
eed67ec531ea6c46400afd56dfbbf9f7
sha1
301e861060d3777f33bd71b90fbe7146569f380b
sha256
b5da4932b64811241ddb549b990c4bf65c9543b7b17dbed5a4c6d34b4395ed27
sha512
3c5697ce5d39603810d3f03bea7c22c94bd9226f0a861beeb3ae02c5ff1b54fada68c5ac51689d4f3a6dba73c5b243015dc150af5d6cf8ce1b0a44c926009a91
ripemd-160
4a5e784ed35fb98a2340359b8d7526c65df7833b
Diameter
43862378
Circumference
137797724.49378
Area
1.5110339698215E+15
Volume
4.4185028770101E+22
Surface area
6.044135879286E+15
Circumference
137797724.49378
Perimeter
87724756
Area
480977050953721
Diagonal
31015384.922768
Surface area
2885862305722326
Volume
1.0548398609129E+22
Space diagonal
37985933.618396
Perimeter
65793567
Area
2.0826917238162E+14
Altitude
18992966.809198
Surface area
2.0826917238162E+14
Volume
1.2431406978623E+21
Height
10338461.640923